RAD-ISM-900-BD-BUS
Product ID:21489
Updated: 2026/7/29
Key Features
- 1Bidirectional wireless transmission system for 900 MHz ISM band.
- 2Frequency hopping spread spectrum for reliable data transmission.
- 3Integrated bus foot for connection to additional I/O modules.
- 4Each transceiver has 1 analog input (4-20 mA) and 2 digital inputs (5-30 V AC/DC).
- 5No additional parameterization or programming required for automatic communication between transceivers.
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Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Product type | Wireless module | Supply voltage | 24 V DC |
| Supply voltage range | 9 V DC ... 30 V DC | Typical current consumption | 75 mA |
| Max. current consumption | 200 mA | Input voltage range | 5 V AC/DC ... 30 V AC/DC |
| Switching threshold "0" signal, voltage | max. 1.5 V DC | Switching threshold "1" signal voltage | min. 5 V DC |
| Description of the input | Current input (analog input) | Current input signal | 4 mA ... 20 mA |
| Input resistance current input | < 170 Ω | Description of the input | Voltage input (digital input) |
| Output name | 2x relay output + 1 x RF link | Number of outputs | 3 |
| Contact switching type | 3 floating N/O contacts | Contact material | Ag, gold-plated |
| Maximum switching voltage | 30 V DC
250 V AC | Limiting continuous current | 2 A |
| Output name | Current output | Number of outputs | 1 |
| Load/output load current output | 700 Ω (at U | Connection method | Screw connection |
| Stripping length | 8 mm | Conductor cross section flexible | 0.2 mm² ... 2.5 mm² |
| Conductor cross section rigid | 0.2 mm² ... 4 mm² | Cross section AWG | 24 ... 14 |
| Screw thread | M3 | Direction | Bi-directional |
| Frequency | 900 MHz | Frequency range | 902 MHz ... 928 MHz |
| Number of channel groups | 4 | Number of channels per group | 63 |
| Transmission power | 1 W | Frequency band | 900 MHz |
| Width | 22.5 mm | Height | 99 mm |
| Depth | 114.5 mm | Color | green |
| Housing material | Polyamide PA non-reinforced | Degree of protection | IP20 |
| Ambient temperature (operation) | -40 °C ... 70 °C
-40 °F ... 158 °F | Ambient temperature (storage/transport) | -40 °C ... 85 °C |
| Conformance | FCC Directive, Part 15.247
ISC Directive RSS 210 | UL, USA / Canada | Class I, Div. 2, Groups A, B, C, D |
| Electromagnetic compatibility | FCC Part 15.247 / ISC RSS 210 | Assembly note | on standard DIN rail NS 35 in accordance with EN 60715 |
| Mounting position | any |
Specifications may be subject to change without notice
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